Home / 37,985.29-52,417-20,989.35

Finding the Fourth Proportional to 37,985.29, 52,417 and 20,989.35

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Solution

The fourth proportional to 37,985.29, 52,417 and 20,989.35 is: 28,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985.29 : 52,417 = 20,989.35 : x
  2. Step 2: Convert to fraction form
    37,985.29/52,417 = 20,989.35/x
  3. Step 3: Cross multiply
    37,985.29x = 52,417 × 20,989.35
  4. Step 4: Simplify right side
    37,985.29x = 1,100,198,758.95
  5. Step 5: Solve for x
    x = 1,100,198,758.95/37,985.29
  6. Step 6: Final answer
    x = 28,963.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.